A question about real-time target-to-target commun

A question about real-time target-to-target commun

Post by yh-w » Wed, 09 Nov 2005 11:53:08

I would like connect multiple taret PC via CAN bus card(the
CAN-AC2-PCI card of softing co.).

By plugging in the cards to my target PC1 and PC2
and constructing the model that includs CAN bus block(built in
simulink library)
Then,boot the target PCs and connect taret PC1 and PC2 via CAN bus
card by RS-232 cable.
Finally send data form PC1 to PC2 at real-time.
Would it work properly without any additional protocol written by

If anyone could give me any suggestion?

thank you very very much : )

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I have a weird problem. I'm using MATLAB 2010a with RTWT. It works fine with my own notebook computer. But I will use it in another PC. This PC is a mobile one and it takes its power from Lead Acid batteries through M4-ATX 250W DC-DC Power Supply. The board has Intel i7 3.2Ghz processor and 4GB DDR3 Ram with Windows 7 installed on a Solid State disk.

The problem arises in this computer. When I start the rtwt simulation in this computer, independent of the model complexity, it runs too slowly. My sample time is 0.001s (I tried 0.01 and 0.1 too with no luck). When I start the simulation, it takes nearly 4-5 seconds or more to achieve 1second in simulation. So rtwt is not running real time.

I tried reinstalling both MATLAB and rtwt kernel but it did not help.

The only thing that comes to my mind is the power supply. If its wattage (250W) is insufficent for this processor with rtwt simulation running, does it cause such a problem? If it is not, any suggestions will be welcomed.

Thanks a lot..

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